btcpayserver/BTCPayServer.Data/Data/StoreRole.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.ChangeTracking;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Newtonsoft.Json;

namespace BTCPayServer.Data;

public class StoreRole
{
    public string Id { get; set; }
    public string StoreDataId { get; set; }
    public string Role { get; set; }
    public List<string> Permissions { get; set; }
    public List<UserStore> Users { get; set; }
    public StoreData StoreData { get; set; }

    internal static void OnModelCreating(ModelBuilder builder, DatabaseFacade databaseFacade)
    {
        builder.Entity<StoreRole>(entity =>
        {
            entity.HasOne(e => e.StoreData)
                .WithMany(s => s.StoreRoles)
                .HasForeignKey(e => e.StoreDataId)
                .OnDelete(DeleteBehavior.Cascade)
                .IsRequired(false);
            
            entity.HasIndex(entity => new {entity.StoreDataId, entity.Role}).IsUnique();
        });
        
        
        
        if (!databaseFacade.IsNpgsql())
        {
            builder.Entity<StoreRole>()
                .Property(o => o.Permissions)
                .HasConversion(
                    v => JsonConvert.SerializeObject(v),
                    v => JsonConvert.DeserializeObject<List<string>>(v)?? new List<string>(),
                    new ValueComparer<List<string>>(
                        (c1, c2) =>  c1 ==c2 || c1 != null && c2 != null && c1.SequenceEqual(c2),
                        c => c.Aggregate(0, (a, v) => HashCode.Combine(a, v.GetHashCode())),
                        c => c.ToList()));
        }
    }
}